0022357: Hidden face selection

ID	Project	Category	View Status	Date Submitted	Last Update

0022357	Open CASCADE	OCCT:Visualization	public	2011-03-30 14:11	2015-12-10 11:11

Reporter	kgv	Assigned To	bugmaster
Priority	normal	Severity	trivial
Status	closed	Resolution	fixed
OS	All
Fixed in Version	6.5.1

Summary	0022357: Hidden face selection
Description	Current clipping planes mechanism affects only visualization part and not selection. This cause the problem that invisible objects or object(s) parts are selectable. An due to depth selection test topmost invisibly sensitivities are selectable in preferred order. This behaviour should be improved. Currently supposed to fix picking by point and not rectangular / polyline selection.
Additional information and documentation updates	Documentation remark, added by KGV 2011-03-31 12:00:09: New features: ViewerTest. Added new vclipplane DRAWEXE command to manipulate the section custom clipping planes. Usage example: # append the plane vcliplane 0 0 0 0 0 1 # disable 1th clipping plane vcliplane 1 off # append 2nd plane vcliplane 0 0 0 0 1 0 # show the second plane vcliplane 2 show # enable the first plane vcliplane 1 on # list all existing planes vcliplane # remove all planes vcliplane rem Improvements: Fixed picking by point with custom clipping planes defined. Previously the hidden objects (behind the clipping) were selectable. This makes selection of visible objects impossible or too complicated. Now depth clipping implemented for picking by point functionality and hidden objects (part of the objects) should not be selectable. Changes: Fixed one BUG occurred sometimes. The highlighting may froze for some objects that should be unhighlighted according to the current cursor position. Mostly noticeable with clipping planes. Modified entities: Select3D_Projector.cdl. Select3D_Projector class now inherits Standard_Transient. This means that it should be used as Handle in most cases and existing methods in OCCT with argument Select3D_Projector was changed to Handle(Select3D_Projector). This changing was intended to avoid unsafe memory usage when deleted projector may be used in sensitivity entities and other places. Added new methods ::DepthMin(), ::DepthMax(), ::DepthMinMax() to control allowed depth interval. These methods are now used in Select3D_SensitiveEntity and inheritors within ::Matches() method (for picking in one point). Select3D_SensitiveEntity.cdl Updated to operate with Handle(Select3D_Projector). Some other classes automatically updated without CDL changing. V3d_Plane.cdl. Changed V3d_Plane constructor. Now constructor doesn't require the V3d_Viewer argument. Notice that within this changes plane doesn't append itself to V3d_Viewer defined planes list! V3d_Viewer.cdl. V3d_Viewer class. ::AddPlane() and ::DelPlane() methods now in public section. Now application may control the defined planes list if needed.
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Test case number

2011-03-30 18:01	kgv-OCC22357-v1.tar.gz (173,372 bytes)

2011-03-31 13:21	kgv-OCC22357-v2.tar.gz (174,763 bytes)

2011-03-31 13:21	kgv-OCC22357-v3.tar.gz (187,789 bytes)

2011-03-31 15:54	kgv-OCC22357-v4.tar.gz (187,867 bytes)

2011-04-04 11:39	Errors.txt (52,704 bytes)

2011-04-04 12:16	kgv-OCC22357-v5.tar.gz (217,435 bytes)

occt: master 4952a30a 2011-04-28 15:57:34 bugmaster Details Diff	OCC22357 Hidden face selection	Affected Issues 0022357
	mod - src/AIS/AIS_InteractiveContext_2.cxx	Diff File
	mod - src/AIS/AIS_LocalContext.cxx	Diff File
	mod - src/MeshVS/MeshVS_SensitiveFace.cxx	Diff File
	mod - src/MeshVS/MeshVS_SensitiveMesh.cxx	Diff File
	mod - src/MeshVS/MeshVS_SensitivePolyhedron.cxx	Diff File
	mod - src/MeshVS/MeshVS_SensitiveSegment.cxx	Diff File
	mod - src/OpenGl/OpenGl_togl_begin_immediat_mode.cxx	Diff File
	mod - src/Poly/Poly.cdl	Diff File
	mod - src/Poly/Poly.cxx	Diff File
	mod - src/QABUC/QABUC.cxx	Diff File
	mod - src/Select3D/Select3D_Projector.cdl	Diff File
	mod - src/Select3D/Select3D_Projector.cxx	Diff File
	mod - src/Select3D/Select3D_Projector.lxx	Diff File
	mod - src/Select3D/Select3D_SensitiveBox.cxx	Diff File
	mod - src/Select3D/Select3D_SensitiveCurve.cxx	Diff File
	mod - src/Select3D/Select3D_SensitiveEntity.cdl	Diff File
	mod - src/Select3D/Select3D_SensitiveEntity.cxx	Diff File
	mod - src/Select3D/Select3D_SensitiveFace.cxx	Diff File
	mod - src/Select3D/Select3D_SensitiveGroup.cxx	Diff File
	mod - src/Select3D/Select3D_SensitivePoint.cxx	Diff File
	mod - src/Select3D/Select3D_SensitivePoly.cxx	Diff File
	mod - src/Select3D/Select3D_SensitiveSegment.cxx	Diff File
	mod - src/Select3D/Select3D_SensitiveTriangulation.cxx	Diff File
	mod - src/Select3D/Select3D_SensitiveWire.cxx	Diff File
	mod - src/StdSelect/StdSelect.cxx	Diff File
	mod - src/StdSelect/StdSelect_ViewerSelector3d.cxx	Diff File
	mod - src/StdSelect/StdSelect_ViewerSelector3d.lxx	Diff File
	mod - src/V3d/V3d_Plane.cdl	Diff File
	mod - src/V3d/V3d_Plane.cxx	Diff File
	mod - src/V3d/V3d_Viewer.cdl	Diff File
	mod - src/ViewerTest/ViewerTest.cxx	Diff File
	mod - src/ViewerTest/ViewerTest_ObjectCommands.cxx	Diff File

Date Modified	Username	Field	Change
2011-03-30 18:34	bugmaster	Assigned To	bugmaster => kgv
2011-03-30 18:34	bugmaster	Status	new => assigned
2011-03-31 13:43	bugmaster	Status	assigned => resolved
2011-04-04 11:40	~~mkv~~	Status	resolved => assigned
2011-04-12 15:59	bugmaster	Status	assigned => resolved
2011-04-12 16:05	~~mkv~~	Status	resolved => tested
2011-04-28 19:57	bugmaster	Status	tested => verified
2011-08-02 11:24	bugmaster	Category	OCCT:VIZ => OCCT:Visualization
2011-12-28 17:40	~~atp~~	Description Updated
2011-12-28 17:40	~~atp~~	Additional Information Updated
2012-03-29 17:26	bugmaster	Changeset attached	=> occt master 4952a30a
2015-12-10 11:11	kgv	Relationship added	related to 0026973

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